Home / 13,103,096.90-18,072,647.25-8,684,832.02

Finding the Fourth Proportional to 13,103,096.90, 18,072,647.25 and 8,684,832.02

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Solution

The fourth proportional to 13,103,096.90, 18,072,647.25 and 8,684,832.02 is: 11,978,687.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103,096.90 : 18,072,647.25 = 8,684,832.02 : x
  2. Step 2: Convert to fraction form
    13,103,096.90/18,072,647.25 = 8,684,832.02/x
  3. Step 3: Cross multiply
    13,103,096.90x = 18,072,647.25 × 8,684,832.02
  4. Step 4: Simplify right side
    13,103,096.90x = 156,957,905,522,964.94
  5. Step 5: Solve for x
    x = 156,957,905,522,964.94/13,103,096.90
  6. Step 6: Final answer
    x = 11,978,687.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.